The movie begins with Jack Horner (Ben Stiller), who plays guitar for his brother's band. He's miserable about it. He's basically kicked out of his parents' house. He's obsessed with girls. He's miserable. He's broke. He's whiny. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's depressed. He's